RD SIPS was founded to fill a gap in the UK market: affordable, reliable SIP panel suppliers for smaller projects without compromising on quality. As a family-run business based in Herefordshire, we deliver the professional certifications of large manufacturers with the flexibility and personal attention you won’t find elsewhere.
Our polyurethane-bonded (PUR) SIP panels deliver exceptional thermal performance with U-values as low as 0.13, meeting and exceeding UK building regulations. Every panel is dry-fitted in our workshop before delivery, reducing on-site errors and ensuring your project runs smoothly.
Our Certifications:
Structural Timber Association (STA) Member
CAT G: SIP Mark Systems
ISO 9001 Certified
FSB Member
STA Assure Gold
Made in Britain
Create the perfect garden office, gym, or studio with our certified SIP panels. Typical 30 sqm projects include floor, wall, and roof panels for fast, energy-efficient construction. Delivered in 1-3 weeks.
Ideal for: Home offices, garden studios, hobby rooms, gyms
Transform your home with thermally efficient extensions. Our 172mm wall panels achieve U-values of 0.15, with specialist support for pitched roofs and large openings for bifold doors. Typical 21 sqm extensions ready in 2-4 weeks.
Ideal for: Kitchen extensions, living space additions, multi-storey extensions
Build self-contained living spaces with our 50 sqm SIP panel kits. Full technical support for planning permission and building regulations compliance. Lead time: 2-4 weeks.
Ideal for: Granny annexes, guest accommodation, rental units
From 100 sqm homes to 10-bedroom properties with complex designs and curved roofs. Our team handles multi-level floor plans and custom fabrication. Lead time: 4-12 weeks depending on complexity.
Ideal for: Self-builds, developer projects, holiday lodges, eco-homes
Scalable SIP panel solutions for commercial construction. Fast installation, superior insulation, and full certification for building control approval.
Ideal for: Offices, retail units, hospitality buildings, storage facilities
Our 147mm wall panels achieve U-values of 0.18, exceeding UK building regulations. PUR insulation is auto-bonded to prevent delamination and maintain long-term performance.
Zero on-site waste – Precision-cut panels reduce material waste
45% more CO2 savings compared to traditional stick framing
5.1-year energy payback – Faster return on investment
3.8-year greenhouse gas payback – Lower environmental impact
Stock panels: 5 days
Garden room kits: 1-3 weeks
Extension kits: 2-4 weeks
House projects: 4-12 weeks
We maintain transparent scheduling and prioritize stock to keep your project on track.
Our team provides comprehensive support throughout your project:
Design consultation and cost-effective building methods
Planning permission guidance
Installation training for first-time SIP users
On-site support when needed
Detailed installation packs with weather considerations
1-year warranty on all panels
10-year warranty on builds under building regulations (via installing contractor)
Full traceability and regular audits
Customer issues resolved within 5 days
We supply and deliver SIP panel kits across the entire UK. Remote deliveries are coordinated using small trucks or trailers, with access routes verified via Google Maps. Crane hire and special equipment arranged as needed.
High-volume areas: North London, Reading, and expanding throughout Herefordshire and the Midlands.
Delivery pricing: Calculated by location with transparent quotes.
